Suppose that two systems, each composed of two particles rep- resented by circles, have 20 J of total energy. Which system, A or B, has the greatest entropy? Why? System A 10J System B 12J 8 J

Q: Which of the following samples of substances is likely to have the largest entropy? 1 mol KCI(aq) 1…

A: The gas phase has highest entropy followed by liquid. Solids have lowest entropy.

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: According to the question about the formation of ammonia we have, The Change (decrease) in the…

Q: What is the entropy change, in J mol1 K1, when 100.0 g of water boils at 100.0 °C? (AHvaporization…

A: Since the entropy change is given by  ΔS = ΔHvaporization / Tboiling point  where Tboiling point =…

Q: a) For the vaporization of a liquid at its boiling point, A(l) → A(g), is the entropy change of the…

A: The entropy tells the randomness present in the system due to its disorderness created in the system…

Q: If the helium was open to the atmosphere and you heated it from 25°C to 100°C, would the change in…

A: the change in entropy will be larger  than heating it in a sealed box.

Q: Entropy changes cannot be measured with a calorimeter likê enth If the result upon calculation of…

A: 7. Entropy can be measured by using the formula, ∆S=qT Heat change can be measured calorimeter.…

Q: Of the following, which system shows a decrease in entropy? A CHJOH (ACH3OH (g) B. NaCI (s- Na (ag)…

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Q: 8. For which of the following reactions will the entropy of the system decrease? a) CuSO. (s) + H20…

A: Entropy is the measure of randomness or disorderness of the system.  More is the randomness in the…

Q: Calculate the change in entropy that occurs in the system when 45.0 g of acetone (C3H6O) freezes at…

A: The given mass of acetone = 45.0 g The molar mass of acetone = 58.08 g/mol The moles of acetone are…

Q: Determine the entropy difference between solid and liquid states for a substance melting at 100 °C…

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Q: Calculate how much heat (in kilojoules) a hand warmer containing 23.0 g of iron powder produces.

A:

Q: What is the entropy change when 307 J of energy is reversibly transferred to a sample of water at…

A:

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: we have to calculate the value of ∆SUNIV

Q: 3. (2) Does the entropy of the surroundings always increase for spontaneous processes? Explain. (b)…

A: The entropy is a measure of randomness of a system. In a spontaneous process, the entropy of the…

Q: Which best describes the entropy change for the following process? 2 SO2(g) + O2(g) → 2 SO3(g) А.…

A: We know that, Entropy measure randomness. Gas having more randomness than solid and liquid.

Q: For each of the following, predict whether the entropy of the system change will be positive or…

A:

Q: Does

A: 1- If temperature is constant but pressure will changed then entropy is inversely proportional to…

Q: 5.sl9 ähäi Predict which of the following substances has the highest entropy value at 25°C Mg0 (s) O…

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Q: 4.25 a. Consider the following statement: "Although the entropy of a given system may increase,…

A: Thermodynamics is branch of chemistry in which we deal with heat of reaction.

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: 5. Consider the combustion reaction of octane (C8H18, mol. wt. = 114.23 g/mol, density = 0.703…

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Q: Which of the following statements is true? Select one: The number of microstates,W, is the number of…

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Q: 10 For water, which phase has the largest entropy? O Liquid, H2O(1) Gas, H2O(g) O Ice-one, H20(s,…

A: Entropy means disorders. Order of entropy:- gas> liquid>solid.

Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

A: Given data : Two systems, each compound of two particles , represented by the circkes have 20 J of…

Q: Which system has the greatest entropy? (a) 1 mol of H2(g)at STP (b) 1 mol of H2(g) at 100 °C and 0.5…

A: Entropy is also a measure of the molecular disorder, or randomness, of a system. The entropy of an…

Q: What is the entropy change when 1.55 moles of CHCl₃ vaporizes at 61.0 °C? [∆H(vap) = 29.6 kJ/mol at…

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Q: What is the entropy when a system goes from 4 microstates to 5 microstates? 3.08 x 10-24 O -3.08 x…

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Q: 2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 5. Which of the following substances has the greatest standard molar entropy at 25 °C? a) Na (s) b)…

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Q: A. H2O(l)+CO2(g)→H2CO3(aq) B. 2Na3PO4(aq)+3CaCl2(aq)→6NaCl(aq)+Ca3(PO4)2(s) C.…

A: In simple words entropy is measure of randomness or disorder of system. More randomness more is…

Q: how does the entropy of the system change for the following chemical reaction? C2H4 (g) + H2 (g) →…

A: Since the balanced reaction is  C2H4 (g) + H2 (g) → C2H6 (g) here we can see that we are reacting 2…

Q: An iron nail is placed in a sealed glass jar filled with humid air (the "system").  After the nail…

A: Change in entropy (ΔS) is defined as the ratio of heat transfer (Q) and temperature (T). The…

Q: 35. List the following in terms of increasing entropy (from lowest to highest), assuming one mole…

A: Since as we know that ;  (In one mole )  Entropy of N2 (g) = 191.61 J/K.mol Entropy of HNO3 (l) =…

Q: In which of the following processes does the entropy of the system decrease? Select one: H2(g) +…

A: > In a chemical reaction if gaseous moles increases than entropy increase. > for gases if…

Q: 1. How is entropy change determined? What data are needed for the calculation? 2. What general rules…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: The following figures represent distributions of two types of gas molecules between two containers…

A: Since the entropy of system is maximum when the gas molecules occupies the complete volume in a…

Q: Q.6 The standard enthalpy of combustion of solid urea (CO(NH2)2) is -632 kJ mol at 298 K and its…

A:

Q: A chemist fills a reaction vessel with 6.82 atm nitrogen monoxide (NO) gas, 5.68 atm chlorine (C1₂)…

A: In this question we will calculate the reaction free energy ∆G for a given chemical reaction. The…

Q: What are the sign and magnitude of the entropy change for the reaction? Does the sign of Δ

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: What is the entropy change, in J mol-1 K-1, when 100.0 g of water boils at 100.0 oC?…

A: The relation between deltaH vaporization and change in entropy is:

Q: In the reactions: 2SO­3(g) → 2SO2(g) + O2(g) and CaO­(s) + CO2(g) → CaCO3(g), the entropy of the…

A: Balanced Reaction 2SO­3(g) → 2SO2(g) + O2(g)  Number of gas molecules reacts is 2 Number of gas…

Q: Acetic acid, CH3COOH, freezes at 16.6°C. The heat of fusion,
Hfus, is 69.0 J/g. What is the change…

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Q: Without doing any calculations or using Sf data, arrange each group in order of increasing entropy.…

A: Always a gaseous (vapor) substance of same material have highest entropy compare to its liquid and…

Q: Which of the following results in a decrease in the entropy of the system? Group of answer choices…

A: Since we know that Entropy depends upon on the number of moles of gas molecules on products side and…

Q: Entropy. Consider the reaction below. 2 CO(g)O2(g) 2 CO2(g) a) 4. ΔΙοχη -566 kJ Calculate the…

A: (a)The entropy change in the surrounding after a chemical reaction at constant temperature and…

Q: Which one of the systems would have more entropy and why if there's 3 particles w a total energy of…

A: The systems given are, Given: The number of particles is 3 And the total energy of particles is 12…

Q: A simple chemical system has an entropy value of 8.07E-23 J/mol K. How many microstates does this…

A: By the relationship between entropy and microstate , we have ;  S = KB ln Ω ----------------(I)…